John R. Levine writes, speaks, and consults on the Internet,
electronic mail, cybersecurity, and related topics.

He speaks to many trade, policy, and general groups.
He's testified at the Federal Trade Commission Spam Forum on the
mechanics of spam, to the Senate Commerce Committee on spyware,
and is part of the Industry Canada Task Force on Spam.
He's spoken at the Internet Law and Policy Forum and at many conferences.

He is frequently interviewed in the print and electronic media and has
extensive working relationships with reporters.

He consults and provides advice and expertise on e-mail and Internet systems, security,
and software.
See his series of white papers on electronic mail.

He co-founded the Domain
Assurance Council, a non-profit industry consortium that establishes standards
for e-mail certification and security.

He's served as an expert witness on
a variety of computer topics including e-mail spam, compiler software, and
graphic image file formats.

He's written many books on the Internet
and other computer topics.
His books range from the best-selling Internet for Dummies,
with over seven million copies of eleven editions in print in dozens of languages,
Fighting Spam for Dummies,
and Windows Vista: the Complete Reference to books on computer language
tools and graphics programming.